The Pentagon's budget document, "Procurement Acquisition Costs by Weapon System," puts the cost of ballistic missile defense at $8.85 billion in Fiscal Year 2008. However, two missile-defense programs are cited as separate items because they are not controlled by the independent BMD Office: the Air Force's Space-Based Infra-red Satellite, which is budgeted at $1.07 billion, and the Army's Patriot/Medium Extended Air Defense System Combined Aggregate Program, for $933 million. All together, then, BMD totals $10.85 billion. Here's the comparison between FY 2007 and '08: